20138078036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 38557428000

約数和(自身を除く): 18419349964

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 509, 551, 619, 841, 1018, 1102, 1238, 1682, 2036, 2204, 2476, 3364, 9671, 11761, 14761, 15979, 17951, 19342, 23522, 29522, 31958, 35902, 38684, 47044, 59044, 63916, 71804, 280459, 315071, 341069, 428069, 520579, 560918, 630142, 682138, 856138, 1041158, 1121836, 1260284, 1364276, 1712276, 2082316, 5986349, 8133311, 9137059, 9891001, 11972698, 16266622, 18274118, 19782002, 23945396, 32533244, 36548236, 39564004, 173604121, 264974711, 347208242, 529949422, 694416484, 1059898844, 5034519509, 10069039018, 20138078036]

約数ペア:

[(1, 20138078036), (2, 10069039018), (4, 5034519509), (19, 1059898844), (29, 694416484), (38, 529949422), (58, 347208242), (76, 264974711), (116, 173604121), (509, 39564004), (551, 36548236), (619, 32533244), (841, 23945396), (1018, 19782002), (1102, 18274118), (1238, 16266622), (1682, 11972698), (2036, 9891001), (2204, 9137059), (2476, 8133311), (3364, 5986349), (9671, 2082316), (11761, 1712276), (14761, 1364276), (15979, 1260284), (17951, 1121836), (19342, 1041158), (23522, 856138), (29522, 682138), (31958, 630142), (35902, 560918), (38684, 520579), (47044, 428069), (59044, 341069), (63916, 315071), (71804, 280459)]